UL Listed Masterpact Circuit Breakers

The UL Listed Masterpact® NT/NW Circuit Breakers are designed to meet the requirements of UL 489. These are designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults. All Masterpact circuit breakers are designed to open and close a circuit manually, and to open the circuit automatically at a predetermined overcurrent setting. UL Listed Masterpact NT series features

• Available in frame ampere rating up to 1600A
• Interrupting Rating 200kA at 240Vac, 100kA at 480Vac, 50kA at 600Vac
• Available in fixed and drawout constructions (Drawout available only up to 1200A)
• Rotated rear terminals (rotatable from horizontal to vertical and vice versa) and front-connected terminals are available

UL Listed Masterpact NW series featuresH79

• Available in frame ampere ratings up to 3000A (W-frame) and 6000A (Y-frame, wide-construction)
• Interrupting Rating 200kA at 240Vac, 150kA at 480Vac, 100kA at 600Vac
• Available in fixed and drawout constructions
• Rotated rear terminals (rotatable from horizontal to vertical and vice versa) and front-connected terminals are available

Common features

• Rated for AC voltage systems through 600V
• Cradle position indicator: connected, test and disconnected
• Simple, visual contact wear indicators available
• Full complement of field-installable accessories common to all standards available for flexibility and helps in reducing inventory holding cost
• Four interchangeable and upgradeable Micrologic trip unit models to choose from
• Available PowerLogic® based power metering and monitoring capabilities
• Meets UL 489 standard